SortitionModule upgrade to add changeGovernor() #1862
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WalkthroughThe pull request introduces version 0.9.0 upgrades to the Sortition Module contracts. The changes include updating version constants, adding a new Changes
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Code Climate has analyzed commit 77054e3 and detected 2 issues on this pull request. Here's the issue category breakdown:
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Actionable comments posted: 1
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📒 Files selected for processing (4)
contracts/deploy/upgrade-sortition-module-v0.9.0.ts(1 hunks)contracts/src/arbitration/SortitionModule.sol(2 hunks)contracts/src/arbitration/SortitionModuleBase.sol(1 hunks)contracts/src/arbitration/SortitionModuleNeo.sol(2 hunks)
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🔇 Additional comments (5)
contracts/deploy/upgrade-sortition-module-v0.9.0.ts (1)
18-18: LGTM! Upgrade script correctly uses initialize3.The upgrade script has been properly updated to use the new reinitializer. The warning comment about not reinitializing everything is a good practice for safe upgrades.
Let's verify the upgrade pattern is consistent across implementations:
✅ Verification successful
Verified: initialize3() implementation is consistent and correct
Both SortitionModule contracts implement initialize3() identically as empty reinitializer(3) functions, matching the upgrade script's usage.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify initialize3 implementation across contracts # Test: Search for initialize3 function declarations # Expect: Consistent implementation as reinitializer(3) with NOP comment rg -U "function initialize3.*\{[\s\S]*?\}"Length of output: 481
contracts/src/arbitration/SortitionModule.sol (2)
18-18: Version bump to 0.9.0 is appropriate.The version increment follows semantic versioning for adding new functionality (changeGovernor).
47-49: LGTM! Reinitializer pattern is correctly implemented.The initialize3() function properly uses OpenZeppelin's reinitializer pattern and is correctly implemented as a NOP since no initialization is needed for this upgrade.
contracts/src/arbitration/SortitionModuleNeo.sol (2)
18-18: Version bump to 0.9.0 matches SortitionModule.The version increment is consistent with SortitionModule, maintaining version parity between the modules.
61-63: LGTM! Reinitializer matches SortitionModule implementation.The initialize3() function implementation is identical to SortitionModule, maintaining consistency across the upgrade.
| /// @dev Changes the governor of the contract. | ||
| /// @param _governor The new governor. | ||
| function changeGovernor(address _governor) external onlyByGovernor { | ||
| governor = _governor; | ||
| } |
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🛠️ Refactor suggestion
Add event emission and input validation for governor change.
While the implementation is functionally correct, consider these security improvements:
- Emit an event when the governor changes for better transparency and off-chain tracking
- Validate that the new governor address is not zero to prevent accidental lockout
Apply this diff to improve the implementation:
function changeGovernor(address _governor) external onlyByGovernor {
+ require(_governor != address(0), "Governor address cannot be 0x0");
governor = _governor;
+ emit GovernorChanged(msg.sender, _governor);
}
+event GovernorChanged(address indexed previousGovernor, address indexed newGovernor);Committable suggestion skipped: line range outside the PR's diff.
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PR-Codex overview
This PR focuses on updating the
SortitionModuleand its related contracts to version0.9.0, adding a newchangeGovernorfunction, and modifying the initializer function toinitialize3.Detailed summary
changeGovernor(address _governor)function toSortitionModuleBase.initializerfrominitializetoinitialize3inupgrade-sortition-module.ts.0.8.0to0.9.0in bothSortitionModuleNeoandSortitionModule.initialize3()function in bothSortitionModuleNeoandSortitionModule.Summary by CodeRabbit
Release Notes v0.9.0
New Features
Improvements
Maintenance
These updates provide improved contract management and flexibility for the arbitration module.